2021-09-21 04:38:08 (M4.4) southwestern Ryukyu Islands, Japan 24.9 125.0 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.4 Earthquake - southwestern Ryukyu Islands, Japan

Preliminary Report

Magnitude	4.4
Date-Time	21 Sep 2021 04:38:09 UTC 21 Sep 2021 13:38:09 near epicenter 20 Sep 2021 20:38:09 standard time in your timezone
Location	24.903N 124.956E
Depth	66 km
Distances	36.7 km (22.8 mi) WNW of Hirara, Japan 101.8 km (63.1 mi) NE of Ishigaki, Japan 304.6 km (188.8 mi) WSW of Itoman, Japan 308.6 km (191.3 mi) WSW of Tomigusuku, Japan 310.3 km (192.4 mi) WSW of Naha, Japan
Location Uncertainty	Horizontal: 8.7 km; Vertical 8.2 km
Parameters	Nph = 29; Dmin = 202.5 km; Rmss = 0.79 seconds; Gp = 80° Version =
Event ID	us 7000fd2c

For updates, maps, and technical information
see: Event Page or USGS Earthquake Hazards Program
National Earthquake Information Center
U.S. Geological Survey


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